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藁本内酯 (ligustilide)分别于室温、4℃、- 2 0℃放置 ,以气相色谱法进行稳定性考察 ,结果表明藁本内酯可在 - 2 0℃稳定保存。通过对异构化产物的 GC- MS分析 ,推测了其异构化产物的结构及可能的异构化途径
Ligustilide was placed at room temperature, 4°C, and -20°C, respectively. The stability was observed by gas chromatography. The results showed that ligustilide could be stored stably at -20°C. By GC-MS analysis of the isomerized product, the structure of the isomerized product and its possible isomerization pathway were presumed.